Housing for a telephone instrument base



FIG. 1 is a perspective view of a housing for a telephone instrument base, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof; and

FIG. 5 is a side elevation thereof, the opposite _side being a mirror image of the side shown. 

The ornamental design for a housing for a telephone instrument base, as shown and described. 